參數(shù)資料
型號(hào)： DQ63318QGA08NNT
廠商： SYNQOR INC
元件分類(lèi)： 電源模塊
英文描述： 2-OUTPUT 77 W DC-DC REG PWR SUPPLY MODULE
文件頁(yè)數(shù)： 8/14頁(yè)
文件大小： 760K
代理商： DQ63318QGA08NNT
Product # DQ63318QGL08
Phone 1-888-567-9596
Doc.# 005-2DQ638D Rev. C
11/17/03
Page 3
Technical Specification
48Vin 3.3/1.8Vout 77W
Quarter
Brick Dual
Parameter
Min.
Typ.
Max.
Units
Notes & Conditions
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
100
V
continuous
Operating
80
V
continuous
Operating Transient Protection
100
V
100ms transient
Isolation Voltage (input to output)
2000
V
Basic level, Pollution Degree 2
Operating Temperature
-40
100
°C
Storage Temperature
-55
125
°C
Voltage at ON/OFF input pin
-2
18
V
INPUT CHARACTERISTICS
Operating Input Voltage Range
35
48
75
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
32
33
34
V
Turn-Off Voltage Threshold
28.5
29.5
30.5
V
Lockout Hysteresis Voltage
2.5
3.5
4.5
V
Maximum Input Current
3
A
100% Load, 35 Vin
No-Load Input Current
60
80
mA
Disabled Input Current
2
3
mA
Inrush Current Transient Rating
0.03
A2s
Response to Input Transient
5
mV
1000V/ms input transient
Input Reflected-Ripple Current
3
mA
RMS thru 10H inductor; Figs. 17 & 19
Recommended Input Fuse
20
A
fast blow external fuse recommended
Input Filter Component Values (L\C)
4.7\1x2
H\F
internal values, see Figure E
Recommended External Input Capacitance
33
47
F
see Figure 17
OUTPUT CHARACTERISTICS
Output Voltage Set Point (1.8V)
1.785
1.805
1.825
V
48Vin, 50% load on each voltage
Output Voltage Set Point (3.3V)
3.265
3.305
3.345
V
48Vin, 50% load on each voltage
Output Voltage Regulation (1.8V)
Over Line
+0.06 \ 1
+0.1 \ 2
%\mV
Over Load
+0.06 \ 1 +0.6 \ 10
%\mV
Over Temperature
+6
+18
mV
Total Output Voltage Regulation (3.3V)
Over Line
+0.03 \ 1 +0.07 \ 2
%\mV
Over Load
+0.03 \ 1 +0.33 \ 10 %\mV
Over Temperature
+10
+28
mV
Total Output Voltage Range (1.8V)
1.755
1.855
V
over sample, line, load, temperature & life
Total Output Voltage Range (3.3V)
3.225
3.385
V
over sample, line, load, temperature & life
Output Voltage Ripple and Noise (1.8V & 3.3V)
20MHz bandwidth; Fig. 17 & 20
Peak-to-Peak
50
100
mV
Full Load, see Figures 17 & 20
RMS
10
20
mV
Full Load, see Figures 17 & 2
Operating Output Current Range (1.8V)
0
15
A
Operating Output Current Range (3.3V)
0
15
A
Output DC Current-Limit Inception (1.8V)
15.2
17
19.4
A
Output Voltage 10% Low; Figs. 21-22
Output DC Current-Limit Inception (3.3V)
15.2
17
19.4
A
Output Voltage 10% Low; Figs. 21-22
Short-Circuit Protection - redundant shutdown (1.8V)
17
A
Figures 23-24
Short-Circuit Protection - redundant shutdown (3.3V)
17
A
Figures 23-24
Output DC Current-Limit Shutdown Voltage (1.8V)
0.6
V
Output DC Current-Limit Shutdown Voltage (3.3V)
1.0
V
Back-Drive Current Limit while Enabled
1.0
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
10
mA
Negative current drawn from output
Maximum Output Capacitance (1.8V)
10
mF
1.8V at 15A resistive load
Maximum Output Capacitance (3.3V)
10
mF
3.3V at 15A resistive load
DYNAMIC CHARACTERISTICS
Input Voltage Ripple Rejection (1.8V \ 3.3V)
80\80
dB
120 Hz; Figs. 27-28
Output Voltage during Load Current Transient
Step Change in 1.8V Output Current (.1A/s)
100
mV
50% to 75% to 50% Iout max; Figure 15
Step Change in 3.3V Output Current (.1A/s)
100
mV
50% to 75% to 50% Iout max; Figure 16
Settling Time
300
s
to within 1% Vout nom
Turn-On Transient
Turn-On Time
6
12
ms
Full load, Vout=90% nom.; Figs. 13 & 14
Start-Up Inhibit Time
180
200
215
ms
-40°C to +125°C; Figure F
Output Voltage Overshoot
0
%
10mF load capacitance, Iout = 0A
EFFICIENCY
100% Load
87.5
%
48Vin, 100% load each Vout; Figs 1 - 6
50% Load
87.5
%
48Vin, 50% load each Vout; Figs 1 - 6
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
125
°C
Package rated to 150°C
Board Temperature
125
°C
UL rated max operating temp 130°C
Transformer Temperature
125
°C
See Figures 7 - 12 for derating curves
DQ63318QGL08 ELECTRICAL CHARACTERISTICS
TA=25°C, airflow rate=300 LFM, Vin=48Vdc unless otherwise noted; full operating temperature range is -40°C to +100°C ambient
temperature with appropriate power derating. Specifications subject to change without notice.
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